/* ============================================
   Optiveon LLC - Premium VC Software Aesthetic
   ============================================ */

/* CSS Variables - Premium VC Color Palette */
:root {
    /* Primary Colors - Deep Navy & Gold */
    --color-primary: #1e3a5f;
    --color-primary-light: #2d5a8a;
    --color-primary-dark: #0f2440;
    --color-accent: #c9a227;
    --color-accent-light: #d4b54a;
    --color-accent-dark: #a8861f;

    /* Semantic Colors */
    --color-success: #059669;
    --color-warning: #d97706;
    --color-error: #dc2626;

    /* Backgrounds - Sophisticated Dark Theme */
    --bg-dark: #0c1221;
    --bg-darker: #080d16;
    --bg-card: #111827;
    --bg-card-hover: #1a2234;
    --bg-elevated: #1f2937;
    --bg-gradient: linear-gradient(180deg, #0c1221 0%, #111827 100%);

    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #c9a227;

    /* Borders */
    --border-color: rgba(148, 163, 184, 0.1);
    --border-hover: rgba(148, 163, 184, 0.2);
    --border-accent: rgba(201, 162, 39, 0.3);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #2d5a8a 100%);
    --gradient-accent: linear-gradient(135deg, #c9a227 0%, #d4b54a 100%);
    --gradient-premium: linear-gradient(135deg, #1e3a5f 0%, #0f2440 50%, #1e3a5f 100%);
    --gradient-text: linear-gradient(135deg, #c9a227 0%, #f4d875 50%, #c9a227 100%);

    /* Shadows - Subtle & Premium */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 60px rgba(30, 58, 95, 0.3);
    --shadow-accent: 0 0 40px rgba(201, 162, 39, 0.15);

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Typography - Premium Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-dark);
    overflow-x: hidden;
    min-width: 320px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Typography - Refined & Premium */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}
h2 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 600;
}
h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}
h4 {
    font-size: 1.125rem;
    font-weight: 500;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons - Premium Style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--bg-dark);
    box-shadow: var(--shadow-md), var(--shadow-accent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(201, 162, 39, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-color);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Navigation - Clean & Institutional
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    background: transparent;
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(12, 18, 33, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-img {
    width: 46px;
    height: 46px;
    filter: drop-shadow(0 0 8px rgba(201, 162, 39, 0.3));
    transition: filter var(--transition-normal);
}

.logo:hover .logo-img {
    filter: drop-shadow(0 0 12px rgba(201, 162, 39, 0.5));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 450;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

/* ============================================
   Hero Section - Premium & Commanding
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(30, 58, 95, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(201, 162, 39, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 0% 80%, rgba(30, 58, 95, 0.2) 0%, transparent 50%),
        var(--bg-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

/* Data grid - represents market data streams */
.grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(201, 162, 39, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 162, 39, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(30, 58, 95, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 58, 95, 0.05) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 0%, transparent 70%);
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Add floating data particles */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(201, 162, 39, 0.4) 0%, transparent 100%),
        radial-gradient(2px 2px at 80% 20%, rgba(201, 162, 39, 0.3) 0%, transparent 100%),
        radial-gradient(2px 2px at 40% 70%, rgba(30, 58, 95, 0.5) 0%, transparent 100%),
        radial-gradient(2px 2px at 90% 60%, rgba(201, 162, 39, 0.2) 0%, transparent 100%),
        radial-gradient(2px 2px at 10% 80%, rgba(30, 58, 95, 0.4) 0%, transparent 100%),
        radial-gradient(3px 3px at 60% 10%, rgba(201, 162, 39, 0.5) 0%, transparent 100%),
        radial-gradient(2px 2px at 70% 90%, rgba(30, 58, 95, 0.3) 0%, transparent 100%),
        radial-gradient(2px 2px at 30% 50%, rgba(201, 162, 39, 0.25) 0%, transparent 100%);
    animation: floatParticles 20s linear infinite;
}

@keyframes floatParticles {
    0% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-10px) translateX(5px); }
    50% { transform: translateY(-5px) translateX(-5px); }
    75% { transform: translateY(-15px) translateX(3px); }
    100% { transform: translateY(0) translateX(0); }
}

/* Rising chart line visual in background */
.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 15%;
    left: 5%;
    right: 5%;
    height: 200px;
    background:
        linear-gradient(90deg,
            transparent 0%,
            rgba(201, 162, 39, 0.03) 10%,
            rgba(201, 162, 39, 0.05) 30%,
            rgba(201, 162, 39, 0.08) 50%,
            rgba(201, 162, 39, 0.05) 70%,
            rgba(201, 162, 39, 0.03) 90%,
            transparent 100%
        );
    clip-path: polygon(
        0% 80%, 5% 75%, 10% 78%, 15% 65%, 20% 70%, 25% 55%,
        30% 60%, 35% 45%, 40% 50%, 45% 35%, 50% 40%, 55% 25%,
        60% 30%, 65% 20%, 70% 25%, 75% 15%, 80% 20%, 85% 10%,
        90% 15%, 95% 8%, 100% 12%, 100% 100%, 0% 100%
    );
    opacity: 0.6;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
}

.orb-1 {
    width: 900px;
    height: 900px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    top: -400px;
    right: -300px;
    opacity: 0.15;
    animation: orbFloat1 15s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, 20px); }
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    bottom: -200px;
    left: -150px;
    opacity: 0.08;
    animation: orbFloat2 12s ease-in-out infinite;
}

@keyframes orbFloat2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -15px); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(201, 162, 39, 0.08);
    border: 1px solid rgba(201, 162, 39, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-xl);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    margin-bottom: var(--space-xl);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 560px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-4xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-4xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border-color);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 450;
    letter-spacing: 0.02em;
}

/* Trading Terminal - Premium Code Block */
.hero-visual {
    display: flex;
    justify-content: center;
}

.trading-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    width: 100%;
    max-width: 520px;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.4);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.terminal-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #febc2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.terminal-content {
    padding: var(--space-xl);
}

.terminal-content pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-keyword { color: #7dd3fc; }
.code-string { color: #86efac; }
.code-number { color: #fcd34d; }
.code-function { color: #c4b5fd; }
.code-comment { color: #64748b; }

/* ============================================
   Section Styles - Clean & Spacious
   ============================================ */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto var(--space-4xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-lg);
    background: rgba(201, 162, 39, 0.08);
    border: 1px solid rgba(201, 162, 39, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.section-title {
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   Features Section - Premium Cards
   ============================================ */
.features {
    background: var(--bg-gradient);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 50% at 50% 0%, rgba(30, 58, 95, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 90% 90%, rgba(201, 162, 39, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.features::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(201, 162, 39, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 162, 39, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 50%, black 0%, transparent 70%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 162, 39, 0.3), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.feature-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--color-accent);
}

.feature-card h3 {
    margin-bottom: var(--space-md);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ============================================
   Solutions Section - Enterprise Focus
   ============================================ */
.solutions {
    background: var(--bg-darker);
    position: relative;
    overflow: hidden;
}

.solutions::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 0% 50%, rgba(30, 58, 95, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 100% 80%, rgba(201, 162, 39, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.solution-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

.solution-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.solution-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.05) 0%, transparent 50%);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-lg);
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bg-dark);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.solution-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 95, 0.4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.solution-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-accent);
}

.solution-card > p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.solution-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================
   Technology Section - Data Driven
   ============================================ */
.technology {
    background: var(--bg-gradient);
    position: relative;
    overflow: hidden;
}

.technology::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 60% at 80% 20%, rgba(201, 162, 39, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 20% 80%, rgba(30, 58, 95, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.tech-text .section-tag {
    margin-bottom: var(--space-md);
}

.tech-text .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.tech-text > p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.tech-feature {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.tech-feature:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.tech-feature-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 58, 95, 0.4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.tech-feature-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-accent);
}

.tech-feature h4 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.tech-feature p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Tech Diagram - Refined */
.tech-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-diagram {
    position: relative;
    width: 420px;
    height: 420px;
}

.diagram-lines {
    position: absolute;
    inset: 0;
}

.diagram-line {
    stroke: var(--border-color);
    stroke-width: 1;
    stroke-dasharray: 6 4;
}

.diagram-node {
    position: absolute;
    padding: var(--space-md) var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    transform: translate(-50%, -50%);
    transition: all var(--transition-normal);
}

.diagram-node:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-accent);
}

.node-center {
    top: 50%;
    left: 50%;
    background: var(--gradient-primary);
    border: 1px solid rgba(201, 162, 39, 0.3);
    color: var(--text-primary);
    z-index: 1;
    font-weight: 600;
}

.node-1 { top: 8%; left: 50%; }
.node-2 { top: 50%; left: 92%; }
.node-3 { top: 92%; left: 50%; }
.node-4 { top: 50%; left: 8%; }

/* ============================================
   Pricing Section - Trust & Value
   ============================================ */
.pricing {
    background: var(--bg-darker);
    position: relative;
    overflow: hidden;
}

.pricing::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 50% at 50% 0%, rgba(30, 58, 95, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 80% 100%, rgba(201, 162, 39, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.pricing-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: all var(--transition-slow);
}

.pricing-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.05) 0%, transparent 40%);
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-lg);
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bg-dark);
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--space-xl);
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.pricing-header h3 {
    margin-bottom: var(--space-xs);
    font-size: 1.375rem;
}

.pricing-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.period {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-success);
    flex-shrink: 0;
}

/* ============================================
   Contact Section - Professional
   ============================================ */
.contact {
    background: var(--bg-gradient);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: radial-gradient(ellipse 60% 40% at 50% 100%, rgba(30, 58, 95, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
}

.contact-info .section-tag {
    margin-bottom: var(--space-md);
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    gap: var(--space-lg);
}

.contact-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-accent);
}

.contact-item h4 {
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.contact-item p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.contact-item a {
    color: var(--color-accent);
}

.contact-item a:hover {
    color: var(--color-accent-light);
}

/* Contact Form - Premium */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 1rem 1.25rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 18px;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* ============================================
   Footer - Institutional
   ============================================ */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
}

.footer-column h4 {
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-column a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: var(--space-2xl);
}

.footer-disclaimer {
    padding: var(--space-lg);
    background: var(--bg-darker);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-xl);
}

.footer-disclaimer p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .hero-visual {
        order: -1;
    }

    .hero-content {
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .features-grid,
    .solutions-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .tech-text .section-title {
        text-align: center;
    }

    .tech-text > p {
        text-align: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .contact-info .section-title,
    .contact-info > p {
        text-align: center;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }

    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        padding: var(--space-xl);
        gap: var(--space-lg);
    }

    .features-grid,
    .solutions-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
        align-items: center;
    }

    .stat {
        text-align: center;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.0625rem;
    }

    .trading-terminal {
        max-width: 100%;
    }

    .terminal-content {
        padding: var(--space-lg);
    }

    .terminal-content pre {
        font-size: 0.75rem;
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .tech-diagram,
    .tech-visual {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer-brand {
        max-width: none;
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-2xl);
    }

    .footer-column {
        text-align: center;
    }

    .footer-copyright {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .contact-details {
        align-items: center;
    }

    .contact-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-lg);
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .hero-badge {
        font-size: 0.6875rem;
        padding: var(--space-xs) var(--space-md);
    }

    .terminal-content pre {
        font-size: 0.65rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-card,
    .solution-card,
    .pricing-card {
        padding: var(--space-xl);
    }

    .price {
        font-size: 2.25rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }

    .footer-disclaimer p {
        font-size: 0.75rem;
    }
}

/* ============================================
   Animations - Subtle & Premium
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-visual {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.15s backwards;
}

/* Scroll animations */
.feature-card,
.solution-card,
.pricing-card,
.tech-feature {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card.visible,
.solution-card.visible,
.pricing-card.visible,
.tech-feature.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .hero-content,
    .hero-visual {
        animation: none;
    }

    .feature-card,
    .solution-card,
    .pricing-card,
    .tech-feature {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .pulse,
    .grid-lines,
    .orb-1,
    .orb-2 {
        animation: none;
    }

    .hero-bg::before {
        animation: none;
    }
}